Roman Empire. Constantine I (AD 306-337). Follis Cyzicus mint, 324-325 A.D. PROVIDENTIAE AVGG. SMKS. Campgate (No reserve price)

The follis minted at Cyzicus (in modern-day Turkey) between 324 and 325 AD under Constantine I features inscriptions such as "PROVIDENTIAE AVGG." This phrase refers to the 'Providence of the Emperors,' a common theme in imperial Roman coinage symbolizing the foresight and care of the ruling emperors for the welfare of the empire. Cyzicus was an important mint in the Eastern Roman provinces, underscoring the widespread geographic reach of Constantine's coinage reforms and the unified messages conveyed across east and west. The coin likely depicts camp gates (Campgate), emblematic of military strength and protection of the empire’s boundaries. This coin type demonstrates the blend of practical currency and political messaging integral to Roman monetary policy during Constantine’s reign.